// provide capability to add inventory items***********************************************
private void editMenuInsert_Click(object sender, EventArgs e)
{
//identify the active child form
PracticeForm child = this.ActiveMdiChild as PracticeForm;
//create a new EntryForm, passing child and bool update = false
Form EntryForm = new EntryForm(child, false);
EntryForm.Controls.RemoveAt(0); // the update button won't be visible; insert only
EntryForm.Text = "Insert new inventory item";
EntryForm.ShowDialog(); // show dialog requires action
}
// provide capability to edit existing inventory entries***********************************
private void editMenuUpdate_Click(object sender, EventArgs e)
{
// Identify the active child; it will be passed to the EntryForm
PracticeForm child = this.ActiveMdiChild as PracticeForm;
//create a new EntryForm, passing child and bool update = true
EntryForm Entry = new EntryForm(child, true);
// This try / catch is necessary in case the user clicks "update" with no record selected.
try
{
Entry.Controls.RemoveAt(2); // the insert button won't be visible; update only
Entry.Text = "Update inventory item";
Entry.ShowDialog();
}
catch (ArgumentOutOfRangeException)
{
// The exception is handled by the EntryForm.
}
}